Data Aire dap4 - Dap4 Wiring Connections; Analog Outputs Table; Temperature vs. Resistance Table

127
Alarm Screen
Description &
Classification
Possible Causes
Corrective Actions
• Incorrect settings
• Faulty Sensor
• Out of calibration
• Check CO2 Sensor
• Calibrate sensor
Low CO2
CO2 level is
higher than
alarm set point
(gPOD units
only)
*Warning
• Co2 level is lower than
normal
• Incorrect settings
• Faulty Sensor
• Loose Connection
• Out of calibration
• Check Co2 Level
• Check settings
• Check Co2 Sensor
• Check Connection and cable
• Calibrate sensor
VFD Failure
VFD alarm
relay is
energized
**Urgent
• VFD has an alarm
• Low or High Pressure
alarm
• Check VFD’s display for alarm or
warning.
• When a low or high pressure
alarm occurs it may cause the
VFD alarm to happen as well.
Resolve this by focusing on the
cause of the Low or High
pressure alarm.
Pump-Down
Exceeded
Maximum Time
or Count
Compressor
failed to Pump-
Down
**Urgent
• Suction pressure
remained above
pump-down setpoint
or rose after being
pumped down.
• Alarm requires
acknowledgement to
clear
• Replace LLSV
• Check Suction Pressure Sensor
Optional Alarm
AE Damper
Not Open
Damper end
switch did not
verify position
*Warning*
• Damper modulation is
at maximum but end
of travel switch did not
close.
• Check end switch closes when
damper is in open position
• Check damper mechanical
operation
Optional Alarm
AE Damper
Not Closed
Damper end
switch did not
verify position
• Damper modulation is
at minimum but end of
• Check end switch closes when
damper is in closed position